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Scientists developed a method to grow human fetal skin and digits in a lab for 3-4 weeks, which could help study skin features and understand genetic interactions in tissue formation.

Activating c-Myc in skin causes rapid cell growth and changes, but these effects are reversible.

The protein CTCF is essential for skin development, maintaining hair follicles, and preventing inflammation.

Stem cells can rejuvenate skin, restore hair, and aid in wound healing.

P-cadherin is important for hair growth and health, and its problems can cause hair and skin disorders.

Memory T cells in the skin balance staying put and moving into the blood, clustering around hair follicles, and increasing in number after infection.

Hair papilla cells can create and regenerate hair bulbs under the right conditions.

PPARγ is essential for maintaining healthy skin, controlling inflammation, and ensuring proper skin barrier function.

Certain skin cells near the base of hair muscles may help renew and stabilize skin, possibly affecting skin disorder understanding.

Hdac1 and Hdac2 help maintain and protect the cells that control hair growth.

The vitamin D receptor is essential for skin stem cells to grow, move, and become different cell types needed for skin healing.

TPA is about 50 times more effective at promoting tumors than MZ.

Cilostazol may help hair grow and could be a new treatment for hair loss.

Skin stem cells are crucial for maintaining and repairing skin, with potential for treating skin disorders and improving wound healing.

Polarized dermoscopy is slightly better than nonpolarized for diagnosing hair disorders, with each method having its own strengths.

Trichoscopy is a reliable method for diagnosing hair and scalp disorders quickly and non-invasively.

Aging causes skin stem cells to work less effectively.

Mice with too much sPLA₂-IIA have hair loss and poor wound healing due to abnormal hair growth and stem cell depletion.

Nestin identifies specific progenitor cells in hair follicles that can become outer root sheath cells.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

Decorin helps hair cells grow and move, and keeps hair growth phase going in mice.

Hair follicle development is controlled by interactions between skin tissues and specific molecular signals.

Early attempts at using cloned cells for hair transplants failed, but 3D cell growth showed some promise.

Both methods improve hair density and thickness; double-spin may be more effective.

The Wnt/β-catenin pathway helps tissue regeneration but can also cause fibrosis, and drugs that inhibit this pathway may aid in healing skin and heart tissues.

Innate immunity genes in hair follicle stem cells might have new roles beyond traditional immune functions.

3D microenvironments in microwells improve hair follicle stem cell behavior and hair regeneration.

B6.Cg-Tyr c−2J Hr hr /J mice have a stronger delayed sunburn reaction and are good for UV research.

Keratin 15 is not a reliable sole marker for identifying epidermal stem cells because it's found in various cell types.

Hair follicle stem cells are similar to bone marrow stem cells but are better for fat cell research.